Element block pseudo-class :active generated with transition box-shadow 1px 1px 1px rgba(0,0,0,0.3) width 160px margin 0px border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) border 0px rgba(0,0,0,1) solid position static line-height 1 background display block cursor default padding 20px transform overflow hidden font-size 16px height auto float none box-sizing content-box font-weight normal z-index auto